When the market reopens Tuesday after President's Day, it promises to be a busy week. Get ready for earnings reports from casual dining chains and struggling PC makers, as well as holiday sales figures from the world's largest retailer.

This week's top business tidbits include a Sodastream cashing in on its banned Super Bowl ad, and a misguided analyst's too-clever case for upgrading a Best Buy. Also, bad news for Nintendo and VMWare, and good news in real estate.

A lot of people will be tuning in to the Super Bowl just for the commercials, which are primarily bought by corporate giants. But a few smaller businesses are in the ad mix this year. Let's go over four in particular that investors may want to keep an eye on.